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SGS Thomson Microelectronics
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| Part No. |
AN579
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| OCR Text |
...t common surge causes. They are mainly due to a voltage difference between the ground and the clouds (a few 100 kV). Two kinds of strikes may occur: 1) Negative discharge with a peak current of 50 kA, rise time of 10s to 15s and 100s durati... |
| Description |
PROTECTION CONCEPTS IN TELECOMMUNICATIONS EQUIPMENTS
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| File Size |
82.33K /
5 Page |
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SGS Thomson Microelectronics
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| Part No. |
AN661
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| OCR Text |
...dissipated energy of the device mainly consists of the conduction energy, e on, and the turn-off losses energy, e toff : e on = t sw . ( v to . i fav + r d . i frms 2 ) with i fav = d . i p ; i frms = i p . ?d on high induc... |
| Description |
CALCULATION OF THE LOSSES IN A CHOPPER TOPOLOGY
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| File Size |
36.26K /
5 Page |
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SGS Thomson Microelectronics
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| Part No. |
AN1231
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| OCR Text |
... drops on the following stages (mainly on power distributors). by removing p1 the value of r8 becomes the same of r7 (4k7) and a short-circuit must be placed between the ends of p1. 3.0 measurements unless otherwise noted, all measurements ... |
| Description |
VIPOWER: VIPER50 FOR USB SELF-POWERED HUB
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| File Size |
230.74K /
15 Page |
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it Online |
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